<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #div1 {
            color: brown;
        }
        .d11 {
            color: cadetblue;
        }
        ol li{
            color: blanchedalmond;
            font-size: 20px;
        }
    </style>
</head>
<body>
    <div id="div1">这是div1</div>
    <div id="div2" class="d11">这是div2</div>
    <div id="div3">这是div3</div>
    <div id="div4">这是div4</div>
    <ul class="d11">
        <li>111</li>
        <li>222</li>
        <li>333</li>
        <li>444</li>
    </ul>
    <ol>
        <li>111</li>
        <li>222</li>
        <li>333</li>
        <li>444</li>
    </ol>
</body>
</html>